Add documentation to a method.
Add documentation to a method.

This improves our pylint score.

Signed-off-by: Chris Lalancette <281cd07d7578d97c83271fbbf2faddb83ab3791c@irobot.com>

cernops/oz,cernops/oz,imcleod/oz,moofrank/oz,ndonegan/oz,nullr0ute/oz,NeilBryant/oz,clalancette/oz,clalancette/oz,ndonegan/oz,mgagne/oz,moofrank/oz,NeilBryant/oz,mgagne/oz,nullr0ute/oz,imcleod/oz